======================== unified (from filesystem) ========================
                                         'bitrate'  '160.0'
                                        'duration'  '513'
                                          'artist'  'Dave Greenslade'
                                     'text_people'  'Dave Greenslade'
                                         'release'  'progsoup 7'
                                           'title'  'Finale'
                                           'quals'  ("['Q-HAP-3', 'Q-UNU-2', 'Q-JZFKS-1', 'Q-LOCALNESS-1', 'Q-HHRNBTT-1', "
 "'Q-OLDST-2', 'q-syn-2', 'q-bass-2', 'q-busy-3', 'q-grit-2', 'q-play-3', "
 "'q-chart-2', 'q-drums-2', 'q-other-4', 'q-piano-1', 'q-vocals-1', "
 "'q-mixbeat-1']")
                                      'lastfmtags'  "['progressive rock', 'instrumental', 'classic rock', 'keyboards', 'discworld']"
                                     'discogstags'  "['rock']"
                             'musicbrainz_albumid'  ''
                       'musicbrainz_albumartistid'  ''
                            'musicbrainz_artistid'  ''
                             'musicbrainz_trackid'  ''
                                     'tracknumber'  '36'
                                      'tracktotal'  ''
                                            'date'  '1976'
                                        'comments'  ''
                                           'genre'  'rock-cppex-progressive'
                                             'bpm'  '116.520'
                                             'key'  '7B'
                                        'acoustid'  ''
rest: ''

======================== rawer (from filesystem) ========================

'MCDI' (Music CD identifier)                        MCDI(data=b'1\x000\x00+\x009\x006\x00+\x002\x00F\x009\x000\x00+\x007\x004\x00A\x000\x00+\x00C\x000\x00E\x006\x00+\x001\x002\x008\x006\x00A\x00+\x001\x007\x001\x001\x00B\x00+\x001\x00D\x00D\x00C\x004\x00+\x002\x003\x00F\x00C\x000\x00+\x002\x00D\x006\x004\x000\x00+\x003\x002\x00F\x003\x008\x00+\x003\x005\x00A\x002\x00E\x00+\x003\x00B\x004\x002\x00E\x00+\x003\x00E\x009\x008\x000\x00+\x004\x008\x002\x00D\x003\x00+\x004\x00F\x005\x00E\x005\x00+\x005\x003\x001\x000\x001\x00+\x005\x007\x004\x00D\x009\x00\x00\x00')
'PRIV:AverageLevel:È\x0e\x00\x00'                   PRIV(owner='AverageLevel', data=b'\xc8\x0e\x00\x00')
'PRIV:PeakValue:\x0fw\x00\x00'                      PRIV(owner='PeakValue', data=b'\x0fw\x00\x00')
'PRIV:WM/MediaClassPrimaryID:¼}`Ñ#ãâK\x86¡H¤*(D\x1e'  PRIV(owner='WM/MediaClassPrimaryID', data=b'\xbc}`\xd1#\xe3\xe2K\x86\xa1H\xa4*(D\x1e')
'PRIV:WM/MediaClassSecondaryID:\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'  PRIV(owner='WM/MediaClassSecondaryID', data=b'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00')
'PRIV:WM/Provider:A\x00M\x00G\x00\x00\x00'          PRIV(owner='WM/Provider', data=b'A\x00M\x00G\x00\x00\x00')
'PRIV:WM/UniqueFileIdentifier:A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x003\x009\x004\x005\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x001\x008\x000\x002\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x00 \x007\x000\x003\x009\x005\x004\x00\x00\x00'  PRIV(owner='WM/UniqueFileIdentifier', data=b'A\x00M\x00G\x00a\x00_\x00i\x00d\x00=\x00R\x00 \x00 \x00 \x00 \x003\x009\x004\x005\x001\x00;\x00A\x00M\x00G\x00p\x00_\x00i\x00d\x00=\x00P\x00 \x00 \x00 \x00 \x001\x008\x000\x002\x002\x00;\x00A\x00M\x00G\x00t\x00_\x00i\x00d\x00=\x00T\x00 \x00 \x00 \x007\x000\x003\x009\x005\x004\x00\x00\x00')
'PRIV:WM/WMCollectionGroupID:ÖßW\x14Xè\x1cH\x83ôÚ°\x11\x9dÖ\xad'  PRIV(owner='WM/WMCollectionGroupID', data=b'\xd6\xdfW\x14X\xe8\x1cH\x83\xf4\xda\xb0\x11\x9d\xd6\xad')
'PRIV:WM/WMCollectionID:ÖßW\x14Xè\x1cH\x83ôÚ°\x11\x9dÖ\xad'  PRIV(owner='WM/WMCollectionID', data=b'\xd6\xdfW\x14X\xe8\x1cH\x83\xf4\xda\xb0\x11\x9d\xd6\xad')
'PRIV:WM/WMContentID:\x1c\x1d±\x97\x9a!ÉB\x99>\x95+öP-ù'  PRIV(owner='WM/WMContentID', data=b'\x1c\x1d\xb1\x97\x9a!\xc9B\x99>\x95+\xf6P-\xf9')
'TALB' (Album/Movie/Show title)                     'progsoup 7'
'TBPM' (BPM (beats per minute))                     '116.520'
'TCOM' (Composer)                                   'Dave Greenslade'
'TCON' (Content type, a.k.a. Genre)                 'rock-cppex-progressive'
'TDRC' (Recording time)                             '1976'
'TIT2' (Title/songname/content description)         'Finale'
'TKEY' (Initial key)                                '7B'
'TLEN' (Length)                                     '513706'
'TPE1' (Lead performer(s)/Soloist(s))               'Dave Greenslade'
'TPE2' (Band/orchestra/accompaniment)               'Various Artists'
'TPUB' (Publisher)                                  'Warner Brothers'
'TRCK' (Track number/Position in set)               '36'
'TXXX:Q-HAP'                                        '3'
'TXXX:Q-HHRNBTT'                                    '1'
'TXXX:Q-JZFKS'                                      '1'
'TXXX:Q-LOCALNESS'                                  '1'
'TXXX:Q-OLDST'                                      '2'
'TXXX:Q-UNU'                                        '2'
'TXXX:discogstags'                                  'rock'
'TXXX:lastfmtags'                                   ['progressive rock', 'instrumental', 'classic rock', 'keyboards', 'discworld']
'TXXX:q-bass'                                       '2'
'TXXX:q-busy'                                       '3'
'TXXX:q-chart'                                      '2'
'TXXX:q-drums'                                      '2'
'TXXX:q-grit'                                       '2'
'TXXX:q-mixbeat'                                    '1'
'TXXX:q-other'                                      '4'
'TXXX:q-piano'                                      '1'
'TXXX:q-play'                                       '3'
'TXXX:q-syn'                                        '2'
'TXXX:q-vocals'                                     '1'
'TXXX:replaygain_track_gain'                        '+0.82 dB'
'TXXX:replaygain_track_peak'                        '0.666449'

========================== row from database ==========================
                                              'id'  1410330
                                            'path'  /data/Music/Bulk/00popandrock-classicprogpsy/PROGSOUP/progsoup7/433 greenslade - finale.mp3
                                         'working'  None
                                         'bitrate'  160
                                    'duration_sec'  513
                                           'genre'  rock-cppex-progressive
                                        'filesize'  10264402
                                           'mtime'  1620737695
                                   'redo_metaread'  0
                                        'rest_str'   00popandrock classicprogpsy PROGSOUP progsoup7 433 greenslade finale rock cppex progressive
                                      'tag_artist'  Dave Greenslade
                                     'tag_release'  progsoup 7
                                       'tag_title'  Finale
                                             'bpm'  116.52
                                    'search_title'  'finale':1
                                   'search_artist'  'dave':1 'greenslade':2
                                  'search_release'  '7':2 'progsoup':1
                                     'search_rest'  '433':4 'classicprogpsy':1 'cppex':8 'finale':6 'greenslade':5 'progressive':9 'progsoup':2 'progsoup7':3 'rock':7
                                    'search_combo'  '433':9 '7':5C 'classicprogpsy':6 'cppex':13 'dave':2B 'finale':1A,11 'greenslade':3B,10 'progressive':14 'progsoup':4C,7 'progsoup7':8 'rock':12
                                    'tag_tracknum'  36
                                      'num_images'  0
                                             'key'  7B
                                           'quals'  ['Q-HHRNBTT-1', 'q-vocals-1', 'Q-LOCALNESS-1', 'q-piano-1', 'q-mixbeat-1', 'q-play-3', 'Q-OLDST-2', 'Q-UNU-2', 'Q-JZFKS-1', 'q-busy-3', 'q-drums-2', 'q-syn-2', 'q-chart-2', 'q-other-4', 'Q-HAP-3', 'q-bass-2', 'q-grit-2']
                                      'lastfmtags'  ['progressive rock', 'instrumental', 'classic rock', 'keyboards', 'discworld']
                                        'tag_date'  1976
                                     'discogstags'  ['rock']

============================== file details ==============================
                                           'mtime'  1620737695.0939357  (2021-05-11 14:54:55)
                             'size'  10264402